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Job Description Position Summary Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API development, with emphasis on building scalable systems using Python and FastAPI, designing and managing PostgreSQL databases, and supporting high-performance integrations across high-speed, high-volume, mission-critical, data-sensitive systems. Essential Duties and Responsibilities Develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems, based upon documented requirements. Provide specific input to software component design, including hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from the system level to individual software components. Design, implement, and integrate software applications or perform software engineering tasks. Utilize software engineering and design methodologies appropriate to the development, integration, and production environment. Ensure efficient delivery of software engineering capabilities using industry standards and repeatable processes. Mitigate risks, control costs and schedule variance, and effectively manage large-scale, integrated software projects. Review and test software components for adherence to design requirements and document test results. Required Qualifications Active TS/SCI with CI Polygraph. Demonstrated experience as a backend developer. Demonstrated experience in data engineering and API development. Experience building scalable systems with Python and FastAPI. Experience designing and managing PostgreSQL databases with efficient SQL and indexing strategies. Proficiency in Python. Proficiency in FastAPI. Proficiency in PostgreSQL. Proficiency in Elasticsearch. Experience building high-performance API connections between high-speed, high-volume, mission-critical, data-sensitive systems. Preferred Qualifications Experience supporting processing-intensive analytics environments. Experience working with extremely large data sets. Experience supporting real-time systems. Experience contributing to software design decisions involving software reuse, COTS/GOTS, and system-to-component requirements analysis. Required Education and Experience Equivalency High School Diploma/GED with 13 years of experience. Associates Degree with 11 years of experience. Bachelors' Degree with 9 years of experience. Masters' Degree with 7 years of experience. PhD with 5 years of experience. Required Certifications None specified. Required Security Clearance Active TS/SCI with CI Polygraph. Pay & Benefit Highlights Compensation Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity). Employee referral bonuses up to $10,000 per hired referral. Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent). Health 100% company-paid medical premiums for employees and eligible dependents. Choose from multiple plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans. 100% company-paid dental premiums for employees and eligible dependents. 100% company-paid vision premiums for employees and eligible dependents. Income Protection 100% company-paid premiums for short-term disability. 100% company-paid premiums for long-term disability. 100% company-paid premiums for accidental death & dismemberment (AD&D). 100% company-paid premiums for life insurance up to $200,000. Retirement 401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total). 401(k) pre-tax and Roth options. Leave Up to 20 days of flexible paid time off (PTO). 11 paid floating holidays. Work-Life Balance Flexible work schedules, including flex time and compressed work periods (contract and project-dependent).
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.
Senior Software Engineer I, Applied AIaxon · Atlanta, Georgia, United States; Boston, Massachusetts, United States; San Francisco, California, United States; Scottsdale, Arizona, United States; Seattle, Washington, United States